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心绞痛,是心前区及其附近部位由于心肌暂时缺血和缺氧而产生的一种急性不适症状,以40岁以上男性多见。冬天,是心绞痛的发病高峰期,而且更易发生心肌梗死,这与气压、温度、湿度等气象要素骤变有关。气温突降可使血管挛缩,血流缓慢；经口鼻吸入的冷空气,也可反射性地引起植物神经功能紊乱和冠状动脉挛缩,使心
Angina pectoris is a kind of acute discomfort symptoms caused by temporary myocardial ischemia and hypoxia in the precordial region and its vicinity. It is more common in men over the age of 40. Winter, is the peak incidence of angina, but also more prone to myocardial infarction, which is related to the sudden changes in atmospheric pressure, temperature, humidity and other meteorological factors. Sudden drop in temperature can make blood vessel contracture, slow blood flow; cold air inhaled by the nose and mouth, but also reflex can cause autonomic dysfunction and coronary contracture, the heart